The sides of a square are three to the power of two sevenths inches long. what is the area of the square?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Plz hurry evaluate the expression a+b where a=8 and b=19

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.